Molecular epidemiological study of Pseudomonas aeruginosa isolates from patients with acute leukemia

European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology
W KernG Döring

Abstract

In an attempt to determine the genetic relationship between strains of Pseudomonas aeruginosa isolated from patients with acute leukemia, a recently described restriction fragment from the region upstream of the exotoxin A structural gene was used as a probe in Southern hybridization. The overall rate of cultures positive for Pseudomonas aeruginosa during 169 admissions (119 patients) was 17%. Twelve genotypically distinct strains were found among 18 colonized and/or infected individuals. Three of these strains were recovered from more than one patient, suggesting a certain risk of nosocomial transmission of Pseudomonas aeruginosa and cross-infection. Genotypic comparison showed identical restriction patterns in multiple isolates from single patients, and also in colonizing and subsequently infecting strains. Genotyping distinguished isolates with similar O serotypes and established the identity between isolates with differing susceptibility to agents used for antibacterial prophylaxis.

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Citations

Sep 29, 2004·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Dominique S Blanc
Mar 1, 1991·FEMS Microbiology Letters·P Goullet, B Picard

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